These tools will no longer be maintained as of December 31, 2024. Archived website can be found here. PubMed4Hh GitHub repository can be found here. Contact NLM Customer Service if you have questions.
25. CYP2A6 activity in a healthy Spanish population: effect of age, sex, smoking, and oral contraceptives. Sinues B; Fanlo A; Mayayo E; Carcas C; Vicente J; Arenaz I; Cebollada A Hum Exp Toxicol; 2008 May; 27(5):367-72. PubMed ID: 18715882 [TBL] [Abstract][Full Text] [Related]
26. Liquid chromatographic method for the simultaneous determination of caffeine and fourteen caffeine metabolites in urine. Bendriss EK; Markoglou N; Wainer IW J Chromatogr B Biomed Sci Appl; 2000 Sep; 746(2):331-8. PubMed ID: 11076088 [TBL] [Abstract][Full Text] [Related]
27. HPLC method for rapid determination of acetylator phenotype by measuring urinary caffeine metabolites. Klebovich I; Arvela P; Pelkonen O J Pharm Biomed Anal; 1993 Oct; 11(10):1017-21. PubMed ID: 8305582 [TBL] [Abstract][Full Text] [Related]
28. Determination of caffeine and its metabolites in urine by high-performance liquid chromatography and capillary electrophoresis. Rodopoulos N; Norman A Scand J Clin Lab Invest; 1994 Jul; 54(4):305-15. PubMed ID: 7939374 [TBL] [Abstract][Full Text] [Related]
29. Plant polyphenol curcumin significantly affects CYP1A2 and CYP2A6 activity in healthy, male Chinese volunteers. Chen Y; Liu WH; Chen BL; Fan L; Han Y; Wang G; Hu DL; Tan ZR; Zhou G; Cao S; Zhou HH Ann Pharmacother; 2010 Jun; 44(6):1038-45. PubMed ID: 20484172 [TBL] [Abstract][Full Text] [Related]
30. Xanthine oxidase inhibition by allopurinol affects the reliability of urinary caffeine metabolic ratios as markers for N-acetyltransferase 2 and CYP1A2 activities. Fuchs P; Haefeli WE; Ledermann HR; Wenk M Eur J Clin Pharmacol; 1999 Jan; 54(11):869-76. PubMed ID: 10027663 [TBL] [Abstract][Full Text] [Related]
31. Genistein alters caffeine exposure in healthy female volunteers. Chen Y; Xiao CQ; He YJ; Chen BL; Wang G; Zhou G; Zhang W; Tan ZR; Cao S; Wang LP; Zhou HH Eur J Clin Pharmacol; 2011 Apr; 67(4):347-353. PubMed ID: 21222115 [TBL] [Abstract][Full Text] [Related]
32. Evaluation of caffeine as an in vivo probe for CYP1A2 using measurements in plasma, saliva, and urine. Carrillo JA; Christensen M; Ramos SI; Alm C; Dahl ML; Benitez J; Bertilsson L Ther Drug Monit; 2000 Aug; 22(4):409-17. PubMed ID: 10942180 [TBL] [Abstract][Full Text] [Related]
33. Analysis of within-subject variation of caffeine metabolism when used to determine cytochrome P4501A2 and N-acetyltransferase-2 activities. McQuilkin SH; Nierenberg DW; Bresnick E Cancer Epidemiol Biomarkers Prev; 1995 Mar; 4(2):139-46. PubMed ID: 7742721 [TBL] [Abstract][Full Text] [Related]
34. Urine excretion of caffeine and select caffeine metabolites is common in the U.S. population and associated with caffeine intake. Rybak ME; Sternberg MR; Pao CI; Ahluwalia N; Pfeiffer CM J Nutr; 2015 Apr; 145(4):766-74. PubMed ID: 25833779 [TBL] [Abstract][Full Text] [Related]
35. Phenotyping of N-acetyltransferase type 2 and xanthine oxidase with caffeine: when should urine samples be collected? Jetter A; Kinzig M; Rodamer M; Tomalik-Scharte D; Sörgel F; Fuhr U Eur J Clin Pharmacol; 2009 Apr; 65(4):411-7. PubMed ID: 19082994 [TBL] [Abstract][Full Text] [Related]
36. Acetylator phenotyping via analysis of four caffeine metabolites in human urine by micellar electrokinetic capillary chromatography with multiwavelength detection. Guo R; Thormann W Electrophoresis; 1993; 14(5-6):547-53. PubMed ID: 8354241 [TBL] [Abstract][Full Text] [Related]
37. Separation, pre-concentration, and HPLC analysis of methylxanthines in urine samples. Zydroń M; Baranowski J; Baranowska I J Sep Sci; 2004 Oct; 27(14):1166-72. PubMed ID: 15537072 [TBL] [Abstract][Full Text] [Related]
38. Urinary biomarkers for assessing dietary exposure to caffeine. Crews HM; Olivier L; Wilson LA Food Addit Contam; 2001 Dec; 18(12):1075-87. PubMed ID: 11761118 [TBL] [Abstract][Full Text] [Related]
39. Measurement of caffeine and five of the major metabolites in urine by high-performance liquid chromatography/tandem mass spectrometry. Weimann A; Sabroe M; Poulsen HE J Mass Spectrom; 2005 Mar; 40(3):307-16. PubMed ID: 15685651 [TBL] [Abstract][Full Text] [Related]
40. Caffeine as a metabolic probe: validation of its use for acetylator phenotyping. Tang BK; Kadar D; Qian L; Iriah J; Yip J; Kalow W Clin Pharmacol Ther; 1991 Jun; 49(6):648-57. PubMed ID: 2060254 [TBL] [Abstract][Full Text] [Related] [Previous] [Next] [New Search]